Independent and Dependent Variables

Front

What is an independent variable?

Back

The variable that is changed or controlled by the scientist in an experiment.

Front

What is a dependent variable?

Back

The variable that is measured or observed in an experiment.

Front

In an experiment, what is the factor that is changed called?

Back

Independent variable.

Front

What is the purpose of a control variable?

Back

To keep certain factors constant throughout the experiment to ensure a fair test.

Front

If a scientist changes the amount of light plants receive, what is the independent variable?

Back

The amount of light.

Front

If you are testing how different fertilizers affect plant growth, what is the dependent variable?

Back

The growth of the plants.

Front

What does it mean to conduct a fair experiment?

Back

To change only one variable at a time while keeping others constant.

Front

Why is it important to repeat experiments?

Back

To ensure the results are reliable and can be reproduced.

Front

What is the relationship between independent and dependent variables?

Back

The independent variable is manipulated to observe its effect on the dependent variable.

Front

What is an example of an independent variable in a study on how temperature affects ice cream melting?

Back

The temperature at which the ice cream is kept.